“Nothing in biology makes sense except in the light of evolution”, wrote the oft-quoted evolutionary biologist Theodosius Dobzhansky in a 1973 essay. According to author and consultant gastroenterologist Jeremy Woodward (Addenbrooke's Hospital, Cambridge, UK), nowhere is this more true than in the field of gastroenterology.

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DOI: https://doi.org/10.1016/S2468-1253(21)00233-8

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